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Finding the Fourth Proportional to 54,702.72, 75,488.64 and 33,482.88

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Solution

The fourth proportional to 54,702.72, 75,488.64 and 33,482.88 is: 46,205.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,702.72 : 75,488.64 = 33,482.88 : x
  2. Step 2: Convert to fraction form
    54,702.72/75,488.64 = 33,482.88/x
  3. Step 3: Cross multiply
    54,702.72x = 75,488.64 × 33,482.88
  4. Step 4: Simplify right side
    54,702.72x = 2,527,577,074.48
  5. Step 5: Solve for x
    x = 2,527,577,074.48/54,702.72
  6. Step 6: Final answer
    x = 46,205.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.